Winchester Ammo Centerfire Handgun Reloading 38 Special .357 125 Grain 100 Bullets. 357 125 gr Jacketed Ho WB38HP125X. When firing these Winchester Ammo Reloading Bullets you can hear a whiz-bang-boom sound that indicates a hollow point. The design of this particular Winchester Ammo Bullet ensures the projectile will expand upon impact deliver a loud 'twang' and deliver a reliable hollow point all the way to the tip. The construction and materials of the Winchester Ammo .357 125 Grain Jacketed Hollow Point Bullet ensures it is a quality product and will not disappoint you when you need it most. Specifications for Winchester Ammo Centerfire Handgun Reloading 38 Special .357 125 Grain: Manufacturer: Winchester Bullet Type: Hollow Point (HP) Jacketed Hollow Point (JHP) Caliber: .38 Special Bullet Weight: 125 grain Diameter: 0.357 in Core Material: Lead Bullet Quantity: 100 Bullet Weight: 125 g Fabric/Material: Copper Package Contents: Winchester Ammo Centerfire Handgun Reloading 38 Special .357 125 Gr Jacketed Ho WB38HP125X Winchester WB38HP125X: Ammo Centerfire Handgun Reloading 38 Special .357 125 Grain 100 Bullets